GrapheneOS on Nostr: It's hard to make proper comparisons. GrapheneOS uses less power by default because ...

It's hard to make proper comparisons. GrapheneOS uses less power by default because it doesn't have nearly as much stuff included. If you add sandboxed Google Play and dozens of Google apps to reach roughly what's included in the stock OS, battery life should be quite similar. There can be differences due to our hardening features (both positive and negative) but it's insignificant overall.

People do often set up inefficient setups with a bunch of different push connections, etc.